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A series of booklets distributed by mail order at 10¢ each or 6 for 50¢. They were issued in three groups of six, each set first advertised in the November 1929, January 1930 and June 1932 issues of Wonder Stories, respectively. |
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--- see under Future Science Fiction. |
Issue partially indexed. |
Issue partially indexed. |
Issue partially indexed. |
Issue partially indexed. |
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This issue is subtitled “Nuclear War and Science Fiction”. |